25011541013 has 4 divisors (see below), whose sum is σ = 25013269548. Its totient is φ = 25009812480.

The previous prime is 25011541001. The next prime is 25011541099. The reversal of 25011541013 is 31014511052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 707666404 + 24303874609 = 26602^2 + 155897^2 .

It is a cyclic number.

It is not a de Polignac number, because 25011541013 - 2¹⁸ = 25011278869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25011541013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25011541213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842378 + ... + 871563.

It is an arithmetic number, because the mean of its divisors is an integer number (6253317387).

Almost surely, 2^25011541013 is an apocalyptic number.

It is an amenable number.

25011541013 is a deficient number, since it is larger than the sum of its proper divisors (1728535).

25011541013 is a wasteful number, since it uses less digits than its factorization.

25011541013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728534.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 25011541013 in words is "twenty-five billion, eleven million, five hundred forty-one thousand, thirteen".